GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
If ∠ABC = 150° and ∆CED is isosceles, what is the value of ∠
[#permalink]
06 May 2020, 09:47
06 May 2020, 09:47
Expert Reply
1
Bookmarks
00:00
Question Stats:
84% (01:34) correct
16% (01:27) wrong based on 25 sessions
Hide Show timer Statistics
Attachment:
#greprepclub If ∠ABC = 150° and ∆CED is isosceles, what is the value of ∠CED.jpg [ 19.39 KiB | Viewed 3194 times ]
If \(∠ABC = 150\)° and \(∆CED\) is isosceles, what is the value of \(∠CED\), in degrees?
Show: :: OA
30
Re: If ∠ABC = 150° and ∆CED is isosceles, what is the value of ∠
[#permalink]
09 May 2020, 17:58
09 May 2020, 17:58
1
In quadrilateral, ABCE: sum of all angles = 360°
90° + 90° + 150° + ∠D = 360°
∠D = 30°
∆CED is isosceles, CE = CD and ∠E = ∠D = 30°
90° + 90° + 150° + ∠D = 360°
∠D = 30°
∆CED is isosceles, CE = CD and ∠E = ∠D = 30°
Re: If ∠ABC = 150° and ∆CED is isosceles, what is the value of ∠
[#permalink]
12 May 2020, 05:22
12 May 2020, 05:22
vndnjn wrote:
In quadrilateral, ABCE: sum of all angles = 360°
90° + 90° + 150° + ∠D = 360°
∠D = 30°
∆CED is isosceles, CE = CD and ∠E = ∠D = 30°
90° + 90° + 150° + ∠D = 360°
∠D = 30°
∆CED is isosceles, CE = CD and ∠E = ∠D = 30°
should not it be 90+90+150+ E= 360
